<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <center>
        <h1>我是标题</h1>
        <input type="text" size="40">
        <input type="button" value="百度一下" onclick="alert('百度不了')"><br>
        <input type="radio" name="gender">男   <input type="radio" name="gender">女<br>
        <a href="/reg.html">注册</a>
        <a href="/login.html">登录</a>
        <a href="/userList">用户列表</a>
        <a href="/writeArticle.html">发表文章</a>
        <a href="http://www.taobao.com">淘宝</a><br>
        <table border="1">
            <tr>
                <td>第一列</td>
                <td colspan="2" align="center">第二列</td>

            </tr>
            <tr>
                <td rowspan="2" align="center">第一列</td>
                <td>第二列</td>
                <td>第三列</td>
            </tr>
            <tr>
                <td>第二列</td>
                <td>第三列</td>
            </tr>
        </table>



    </center>
</body>
</html>